Bob-omb is bomb enemy that appears in the Zeldabobo level.
Origin
Like Shy Guys, Bob-ombs originally appear in in the world of Subcon in the NES Game, Super Mario Bros. 2, however in Japan they originally appeared in Yume Kōjō: Doki Doki Panic, they would explode at the player & a explosion will happen, Bob-ombs would later appeared in the Mario series as a regular enemy starting with Super Mario Bros. 3.
In The Game
Bob-ombs appear in the Zeldabobo dungeon in a couple of rooms, the Bob-ombs will explode when Abobo is close to it or hits the bomb, a explosion will occur.